Transcription of Transformer Failure Analysis:Reasons and Methods
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Transformer Failure Analysis:Reasons and Methods
Transformer Failure Analysis:Reasons and Methods Jaspreet Singh Punjab State Power Corporation Ltd, Moga, Punjab, India Sanjeev Singh Electrical & Instrumentation Engineering Department SLIET Longowal, India Abstract This paper presents a detailed analysis of Transformer Failure reasons and Methods in conjunction with a real time data of the electrical transmission and distribution system to find the reasons and its remedies for better capacity utilization and reliability. The analysis is carried out using data collected from one zone of a city based substation having four circles of Punjab state power corporation limited (PSPCL). The analysis is carried out in accordance with IEEE standards and summarized to present the reasons and possible remedial measures for prevention of Transformer failures. Keywords Transformer Failure , insulation Failure , harmonics, power quality (PQ), distribution transformers .
II. TRANSFORMER COMPONENTS AND FAILURE The distribution transformer consists of Magnetic circuit (Core, yoke and clamp structures), Electrical circuit (windings and insulation), Terminals, bushings, tank, oil, radiator, conservator and breather as main parts. The transformer can fail due to failure of any of the component as discussed below. A ...
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